pub mod file;
pub mod paper;
pub mod user;
pub mod search;

pub async fn clean_up() {
    // 清理多余paper
   if let Err(e) =  paper::clean_up().await {
        tracing::error!("paper clean up error: {}", e);
   }
   // 清理多余file
   if let Err(e) =  file::clean_up().await {
        tracing::error!("file clean up error: {}", e);
   }
}
